Can you identify the hidden rebus in the image below?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

What does this Rebus Picture mean?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?